Wiktionary
pyrrolnitrin
n. An antifungal antibiotic.
Wikipedia
Pyrrolnitrin
Pyrrolnitrin is an antifungal antibiotic. Pseudomonas pyrrocinia and other Pseudomonas species produce pyrrolnitrin from tryptophan as secondary metabolite. The fungicides fenpiclonil and fludioxonil are chemically related to pyrrolnitrin.